The concentration of CO in a room is 7.2 ppm.If the total pressure is 695 torr,then the partial pressure of CO is ________ torr.
A) 5.0 × 
B) 5.0
C) 1.0 × 104
D) 5.0 × 
E) 9.7 × 107
Correct Answer:
Verified
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